They do that so when a shark eats something and crumbs come out of its mouth it eats the crumbs
The United States flag will always go on top. Typically you leave approximately one foot of space between the United States flag and the flag underneath.
Is this a multiple choice question or...??
If not, I'd say, that its simple as scientists can easily decipher which variable caused the situations result. And thats because you may have one manipulated variable to be able to know the responding variable.
I have encountered this question before, and the given diagram shows no producers. Moreover, it consists of pictures of five organisms, with no relationship being shown between them. Therefore, in order to make the model more accurate, Maria should add B. The sun and arrows to show the flow of energy.
